On Monday 14 December 2015 20:51:46 andy pugh wrote: > > As I reported, I have 4 of them coming. > > The forcibly guided relay for mine arrived today, so I finished > assembling the PSU and then drew a schematic of what I ended up with. > > I am using the physical relay to ensure that I can't possibly power > the system up with the discharge resistor in circuit. So, if the > discharge contacts on the relay weld closed, the input SSR can't be > energised. > I ended up with a 6-pole relay. A 2-pole NO/NC relay would have > worked, though. > I have some 24 volt coil 2 and 3pdt ice cubes that I will see about incorporation into my circuit, if I don't use the night lights. They are slow, very slow, probably 10+ minutes to render it harmless, but like a piece of steel pulling on warped wood, never quit pulling. Unless they burn out that is. I do have time to wait until I've no more time left. :)
> 620R is actually a bit high for the soft-start resistor. It seems > about right for the discharge resistor. I would say so, but wattage should be adequate. I didn't catch your voltage, but you know ohms law as well as I. Cheers, Gene Heskett -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) Some mill pix are at: Genes Web page <http://geneslinuxbox.net:6309/gene/GO704-pix> ------------------------------------------------------------------------------ _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
